{"id":"CVE-2026-90120","published":"2026-09-17T17:17:04.200","lastModified":"2026-09-18T18:17:42.750","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/gic-v5: Check get_logical_index() return value in MADT IAFFID parsing\n\nIn gic_acpi_parse_iaffid() a given MADT GICC entry might not correspond\nto a logical cpu recognized by the kernel, resulting in the cpu variable\ninitialization to an error value.\n\nCurrently, the get_logical_index() return value is not checked for failure,\nwhich might result in out-of-bounds memory corruption while trying to\nindex a per_cpu variable array.\n\nAdd a check to evaluate get_logical_index() return value.","cvssScore":8.4,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/328affc639ce9873a7a0a3fd6b8339f19767529b","tags":[]},{"url":"https://git.kernel.org/stable/c/6caeb878f809bdf0aec2fdd96f3d41ef4b69fc69","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}